Home / 121,790,625.60-182,685,938.40-83,048,576.70

Finding the Fourth Proportional to 121,790,625.60, 182,685,938.40 and 83,048,576.70

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Solution

The fourth proportional to 121,790,625.60, 182,685,938.40 and 83,048,576.70 is: 124,572,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,790,625.60 : 182,685,938.40 = 83,048,576.70 : x
  2. Step 2: Convert to fraction form
    121,790,625.60/182,685,938.40 = 83,048,576.70/x
  3. Step 3: Cross multiply
    121,790,625.60x = 182,685,938.40 × 83,048,576.70
  4. Step 4: Simplify right side
    121,790,625.60x = 15,171,807,167,223,876
  5. Step 5: Solve for x
    x = 15,171,807,167,223,876/121,790,625.60
  6. Step 6: Final answer
    x = 124,572,865.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.